It is a natural source of magnesium, calcium, potassium, manganese, phosphorus, zinc, aluminium, silicon, copper, selenium, cobalt and molybdenum, as well as other trace elements.
Clay has a variety of uses. As a poultice it is used to absorb toxins and poisonous substances and to protect and encourage the healing of wounds. Great at helping open wounds scab over that are difficult to bandage. It is especially useful for cats. A natural insect repellent often found in natural flea powders keeps flies away from open wounds. Great for treating ear infections, just sprinkle around the opening to the ear .and massage, no need to put directly into the ear canal. When used as a poultice (needs to stay wet, if it dries out soak off never pull off dry) and kept in place with a bandage or used dry and sprinkled onto open wounds in hard to bandage areas.
Also great as a face mask for us human souls, give it a try. Especially good on any spots, leave on overnight and see the difference come morning.